The N70012-UL is a durable NBR (BUNA) 70 O-Ring with a 3/8" inner diameter and a 1/2" outer diameter, designed for high-performance sealing in various applications. This O-Ring complies with AS568-012 standards, ensuring it meets industry requirements for quality and reliability. With a thickness of 1/16", it provides an effective seal against fluids and gases, making it suitable for hydraulic and pneumatic systems. The black color signifies its robust construction, offering excellent resistance to oils and chemicals, ensuring longevity and performance in demanding environments.